3B Scientific Helium – Neon Laser

Monochromatic, coherent light source for optical experiments, e.g. on diffraction, interference, and hologram reconstitution. Anodised metal housing with key switch, neutral filter for attenuating beam, 2 stand rods and power supply unit. To widen the beam, microscope objectives can be screwed to the beam aperture.



Material Include

• 1 Helium-Neon Laser
• 2 Keys
• 1 Long stand rod
• 1 Short stand rod, 6-edges
• 1 Transformer 12 V

Technical Specifications

• Laser protection class: II
• Output power: &lt,0.2 mW (with neutral grey filter) &lt,1 mW (without neutral grey filter)Wavelength: 633 nm
• Beam diameter: 0.48 mm
• Radiation divergence: 1.7 mrad
• Mode: TEMoo
• Polarisation: Random
• Service life: &gt, 12000 hours
• Plug-in power supply: 12 V DC, 1 A
• Wide range power supply: unviversal 110 V – 240 V with euro pins
• Dimensions: approx. 230 x 55 x 90 mm3
• Weight: approx. 0.8 kg

Warranty Information

• 3 Year Warranty